Section 11 (Cooling): Coolant: Replacement

WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE ENGINE UNDER COVER
REMOVE V-BANK COVER
1. Remove the 2 nuts and cover.
REMOVE NO. 1 AIR CLEANER INLET
1. Remove the bolt and air cleaner inlet.
DRAIN ENGINE COOLANT
CAUTION: Do not remove the radiator cap while the engine and radiator are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns.
1. Remove the radiator reservoir cap and radiator cap.
2. Loosen the radiator drain cock plug and 2 cylinder block drain cock plugs. Then drain the coolant.
ADD ENGINE COOLANT
1. Tighten the radiator drain cock plug by hand.
2. Tighten the 2 cylinder block drain cock plugs.
  Torque: 13 N*m (133 kgf*cm, 10 ft.*lbf)
  
  Fig 1: Identifying Drain Plug
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Slowly fill the cooling system with coolant.
  Specified capacity:
  
  9.9 liter (10.46 qts, 8.71 lmp. qts)
  
  HINT:
  
  Fig 2: Filling Cooling System With Coolant
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  - Using improper coolants may damage the engine cooling system.
  - Use "TOYOTA Super Long Life Coolant" or similar high quality ethylene glycol based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life hybrid organic acid technology.
  - New Toyota vehicles are filled with TOYOTA Super Long Life Coolant (pink color, premixed ethylene-glycol concentration is approximately 50% and freezing temperature is -35°C (-31°F)). When replacing coolant, TOYOTA Super Long Life Coolant is recommended.
  - Check the coolant level by pressing the inlet and outlet radiator hoses several times with hand. If the coolant level goes down, add the coolant.
    NOTE: Do not substitute water for engine coolant.
4. Slowly pour coolant into the radiator reservoir to the FULL line.
5. Install the radiator cap and radiator reservoir cap.
6. Bleed air from the cooling system.
  1. Start the engine and open the water heater valve.
  2. Maintain the engine speed at 2,000 to 2,500 rpm and warm up the engine.
    
    Fig 3: Filling Coolant Into Radiator Reservoir To Full Line
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Stop the engine, and wait until the engine coolant cools down.
8. Add coolant to the radiator and reservoir to the FULL line.
CHECK FOR ENGINE COOLANT LEAKS (See COOLING SYSTEM )
INSTALL NO. 1 AIR CLEANER INLET
1. Install the air cleaner inlet with the bolt.
  Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf)
INSTALL V-BANK COVER
1. Install the cover with the 2 nuts.
  Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf)
INSTALL ENGINE UNDER COVER